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Small black square mini PC with front ports visible

GMKtec

GMKtec M6 Ultra 32GB 1TB Ryzen 5 7640HS barebone mini PC

SKU CH-GG6J-D0540

A barebone mini PC with a Ryzen 5 7640HS processor, 32GB DDR5 memory, 1TB NVME storage, dual 2.5G LAN, WiFi 6E, Bluetooth 5.2 and triple 4K display output via HDMI 2.0, DP and USB4

  • ColorBlack
  • Form Factormini pc
  • CPU TypeAMD Ryzen 5 7640HS (6C/12T, Turbo Boost Up to 5.0GHz, 16MB C
  • CPU SocketAMD Ryzen 5 7640HS (FP8 BGA)
  • CPU Cores6-Core
  • Memory installed32GB
  • 6-core Ryzen 5 7640HS boosts to 5.0 GHz for responsive multitasking
  • 32 GB dual-channel DDR5 at 4800 MHz handles heavy workloads smoothly
  • 1 TB PCIe 3.0 NVME SSD with dual M.2 slots supports up to 8 TB expansion
  • Dual 2.5 GbE LAN plus WiFi 6E and Bluetooth 5.2 ensure fast wired and wireless links
  • Triple 4K output via HDMI 2.0, DP and USB4 drives three displays simultaneously

Ready-to-run mini PC

The GMKtec M6 Ultra arrives as a barebone mini PC with Windows 11 Pro pre-installed, an AMD Ryzen 5 7640HS processor, 32GB of DDR5 memory and a 1TB PCIe 3.0 SSD. It targets users who want a compact desktop for office work, media playback or light gaming without assembling parts.

32GB DDR5 and 1TB NVME headroom

Dual-channel DDR5-4800 memory runs at 32GB out of the box and can be expanded to 128GB across two SO-DIMM slots. The installed 1TB NVME drive uses a PCIe 3.0 M.2 2280 slot; a second slot supports PCIe 4.0 drives for up to 8TB per slot, giving 16TB total capacity when both are populated.

Dual fans and 120W adapter

Two internal cooling fans manage the processor’s 50W TDP, which is configurable between 45W and 60W, while the external 19V 6.32A power brick supplies up to 120W. The unit operates from -10°C to 45°C, and the fan layout keeps noise low during typical desktop loads.

Highlights

  • 6-core Ryzen 5 7640HS boosts to 5.0 GHz for responsive multitasking
  • 32 GB dual-channel DDR5 at 4800 MHz handles heavy workloads smoothly
  • 1 TB PCIe 3.0 NVME SSD with dual M.2 slots supports up to 8 TB expansion
  • Dual 2.5 GbE LAN plus WiFi 6E and Bluetooth 5.2 ensure fast wired and wireless links
  • Triple 4K output via HDMI 2.0, DP and USB4 drives three displays simultaneously

Specifications

BrandGMKtec
SeriesM6 Ultra
ModelM6 Ultra 32+1T
Part NumberM6 Ultra 32+1T
ColorBlack
Form Factormini pc
CPU TypeAMD Ryzen 5 7640HS (6C/12T, Turbo Boost Up to 5.0GHz, 16MB Cache) TDP 50W
CPU SocketAMD Ryzen 5 7640HS (FP8 BGA)
CPU Cores6-Core
Memory installed32GB
Memory slot2 x SO-DIMM DDR5 Slots
Memory Type SupportedDDR5
Storage Installed1TB
M.2 SlotM.2 2280 PCIe 3.0 (Supports PCIe 4.0, Dual Slot Up to 8TB Max)
Integrated GraphicsAMD Radeon 760M 2600 MHz
Onboard AudioOnboard Audio
LANDual 2.5G RJ45 Ethernet Ports
Wireless LAN802.11ax (WiFi 6E, 2.4GHz/5GHz/6GHz)
BluetoothBluetooth 5.2
Front USB2 x USB 3.2 Gen2 (10Gbps)
HDMI1 x HDMI 2.0 (4K@60Hz)
DisplayPort1 x DisplayPort (4K@60Hz, up to 8K@60Hz supported)
Rear USB3 x USB-A (2 x USB3.2 Gen2, 1 x USB2.0), 1 x USB4 Type-C
RJ452 x 2.5G Ethernet Ports
Rear Audio Ports1 x 3.5mm Combo Audio Jack
Other Rear Ports1 x DC Power Port
Input19V DC, 6.32A
Power Supply120W External Power Adapter
Dimensions5.07" × 5.00" × 1.88"
Weight0.53kg
Packagingretail

Questions about this item

Will the dual 2.5GbE ports and USB4 link work with my older Gigabit switch and USB 3.0 hub without extra adapters?

Yes, both 2.5GbE RJ45 ports auto-negotiate down to 1GbE and the USB4 Type-C port is backward-compatible with USB 3.2 Gen2, USB 3.0 and USB 2.0 devices.

How can I verify the Radeon 760M is running at its 2600 MHz boost clock after I set up the M6 Ultra?

Open AMD Radeon Software or Task Manager Performance tab; the GPU clock should show 2600 MHz under 3D load and the driver will report Radeon 760M as the active adapter.

What comes in the M6 Ultra box and which expansion parts must I buy separately?

The package includes the mini PC, 120 W 19 V power adapter, VESA mount with screws, HDMI 2.0 cable and user manual; extra DDR5 SO-DIMM modules up to 128 GB total and PCIe 3.0/4.0 M.2 2280 SSDs up to 8 TB per slot are purchased separately.

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